A. EL‑C14N‑v2
Deterministic JSON canonicalization.
Deterministic JSON canonicalization.
Rolling‑Merkle multi‑hash commitment.
Envelope fields and signing.
Full‑root DID & short alias.
Provider & watcher evidence.
Risk aggregation and profiles.
Multi‑signal fingerprints and receipts.
KCS/KRS/KSN; as‑of semantics.
DNS/TLS/OIDC evidence.
Batch manifests and leaf proofs.
Portable SPV/MPT bundles.
Availability scoring and replicas.
Scope‑of‑Assertion & categories.
C2PA, Sigstore/in‑toto, TUF.
Token‑free contracts and receipts.